Improved Synthesis of the [Ru(η6-p-cymene)Cl3] Anion: Facile Isolation under Mild Conditions

Reaction of [Ru(η6‐p‐cymene)Cl2]2 with two equivalents of [Ph4P][Cl] in CH2Cl2 yields [Ph4P][Ru(η6‐p‐cymene)Cl3], containing a trichlororuthenate(II) anion. In solution, an equilibrium between the product and [Ru(η6‐p‐cymene)Cl2]2 is observed, which in CDCl3 is nearly completely shifted to the dimer...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2007-04, Vol.633 (4), p.640-642
Main Authors: Vock, Carsten A., Dyson, Paul J.
Format: Article
Language:English
Subjects:
Phosphorus
Ruthenium
Tetraphenylphosphonium cation
Trichlororuthenate(II) anion
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Summary:Reaction of [Ru(η6‐p‐cymene)Cl2]2 with two equivalents of [Ph4P][Cl] in CH2Cl2 yields [Ph4P][Ru(η6‐p‐cymene)Cl3], containing a trichlororuthenate(II) anion. In solution, an equilibrium between the product and [Ru(η6‐p‐cymene)Cl2]2 is observed, which in CDCl3 is nearly completely shifted to the dimer, whereas in CD2Cl2 essentially a 1:1‐mixture of the two ruthenium species is present. Crystallization from CH2Cl2/pentane yielded two different crystals, which were identified by X‐ray analysis as [Ph4P][Ru(η6‐p‐cymene)Cl3] and [Ph4P][Ru(η6‐p‐cymene)Cl3]·CH2Cl2.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200600374